<?php
require_once("./DButil.php");
// 视频统计

$sql = "select count() from t_video,t_course group by courseName";

$result = [
    "msg" => "查询成功",
    "code" => 200,
    "success" => true,
    "data" => []
];

header("Content-Type:application/json;charset=utf-8");
echo json_encode($result);
?>